Affects Oracle E-Business Suite (widely used ERP). Remote takeover risk via HTTP could disrupt enterprise operations across many organizations.
CVE-2026-83456
Remote privilege escalation allows takeover of Oracle Demand Signal Repository.
Is CVE-2026-83456 being exploited?
Not confirmed. CVE-2026-83456 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-83456?
CVE-2026-83456 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-83456?
Not known from our data. No patch reference has been recorded for CVE-2026-83456, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-83456 affect?
CVE-2026-83456 affects Oracle Demand Signal Repository, Oracle E-Business Suite 12.2.3-12.2.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83456?
Apply vendor updates ASAP; restrict/block HTTP access, deploy WAF/IDS, monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privilege attacker over HTTP can escalate privileges and fully compromise the product (confidentiality, integrity, availability impacted).
Immediate action required
- affected>= 12.2.3 and <= 12.2.15
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.